@article{10_4153_CJM_1977_061_3,
     author = {Marshall, M.},
     title = {Some {Local-Global} {Principles} for {Formally} {Real} {Fields}},
     journal = {Canadian journal of mathematics},
     pages = {606--614},
     year = {1977},
     volume = {29},
     number = {3},
     doi = {10.4153/CJM-1977-061-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-061-3/}
}